21st Century Learning and Teaching

Here is an interesting conundrum for Google: it has created an algorithm that's significantly better at reading street numbers in Street View images, which..

That’s obviously a problem for reCAPTCHA because developers who are less interested in the science behind this could exploit this to spam blog comments, for example.

Google, however, says that its CAPTCHA system is now less dependent on deciphering the distorted text than ever before. Instead, reCAPTCHA now looks at a broader range of clues. Entering the text is just one clue, but Google now looks at it as “a medium of engagement to elicit a broad range of cues that characterize humans and bots.”